Fog lamp



FIG. 1 is a front side perspective view of a fog lamp showing the design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front end view thereof;

FIG. 6 is a rear end view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a fog lamp, as shown and described. 